username Identifies the specified username. sessionname The name of the session. sessionid The ID of the session. @filename Identifies a file containing a list of usernames, sessionnames, and sessionids to send the message to. * Send message to all sessions on specified server. /SERVER:servername server to contact (default is current). /TIME:seconds Time delay to wait for receiver to acknowledge msg. /V Display information about actions being performed. /W Wait for response from user, useful with /V. message Message to send. If none specified, prompts for it or reads from stdin.